Eroare de compilare: main.cpp:18:19: error: 'size_t' was not declared in this scope; did you mean 'std::size_t'? 18 | std::pair<size_t , size_t> pair; | ^~~~~~ | std::size_t In file included from /usr/include/c++/12.2.1/bits/stl_algobase.h:59, from /usr/include/c++/12.2.1/vector:60, from main.cpp:1: /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/c++config.h:298:33: note: 'std::size_t' declared here 298 | typedef __SIZE_TYPE__ size_t; | ^~~~~~ main.cpp:18:28: error: 'size_t' was not declared in this scope; did you mean 'std::size_t'? 18 | std::pair<size_t , size_t> pair; | ^~~~~~ | std::size_t /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/c++config.h:298:33: note: 'std::size_t' declared here 298 | typedef __SIZE_TYPE__ size_t; | ^~~~~~ main.cpp:18:34: error: template argument 1 is invalid 18 | std::pair<size_t , size_t> pair; | ^ main.cpp:18:34: error: template argument 2 is invalid main.cpp:18:9: error: 'auto' can only be specified for variables or function declarations 18 | std::pair<size_t , size_t> pair; | ^~~ main.cpp:20:34: error: 'size_t' was not declared in this scope; did you mean 'std::size_t'? 20 | EdgePair(const std::pair<size_t , size_t>& pair) : pair(pair) {} | ^~~~~~ | std::size_t /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/c++config.h:298:33: note: 'std::size_t' declared here 298 | typedef __SIZE_TYPE__ size_t; | ^~~~~~ main.cpp:20:43: error: 'size_t' was not declared in this scope; did you mean 'std::size_t'? 20 | EdgePair(const std::pair<size_t , size_t>& pair) : pair(pair) {} | ^~~~~~ | std::size_t /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/c++config.h:298:33: note: 'std::size_t' declared here 298 | typedef __SIZE_TYPE__ size_t; | ^~~~~~ main.cpp:20:49: error: template argument 1 is invalid 20 | EdgePair(const std::pair<size_t , size_t>& pair) : pair(pair) {} | ^ main.cpp:20:49: error: template argument 2 is invalid main.cpp:20:29: error: '<expression error>' in namespace 'std' does not name a type 20 | EdgePair(const std::pair<size_t , size_t>& pair) : pair(pair) {} | ^~~~~~~~~~~~~~~~~~~~~ main.cpp:21:34: error: 'size_t' was not declared in this scope; did you mean 'std::size_t'? 21 | EdgePair(const std::pair<size_t , size_t>& pair, const U& data) : pair(pair), data(data) {} | ^~~~~~ | std::size_t /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/c++config.h:298:33: note: 'std::size_t' declared here Non zero exit status: 1